tests: Removed an unused variable in f_sync_auto_reauth
tests: Removed an unused variable in f_sync_auto_reauth

Signed-off-by: Gergely Nagy <6780fac3b38619ac20422286e4110a70dbba2203@balabit.hu>

algernon/libmongo-client,algernon/libmongo-client,algernon/libmongo-client